140555002543 has 4 divisors (see below), whose sum is σ = 143545534560. Its totient is φ = 137564470528.

The previous prime is 140555002537. The next prime is 140555002597. The reversal of 140555002543 is 345200555041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140555002543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140555002499 and 140555002508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140555003543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495265938 + ... + 1495266031.

It is an arithmetic number, because the mean of its divisors is an integer number (35886383640).

Almost surely, 2^140555002543 is an apocalyptic number.

140555002543 is a deficient number, since it is larger than the sum of its proper divisors (2990532017).

140555002543 is an equidigital number, since it uses as much as digits as its factorization.

140555002543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990532016.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 140555002543 its reverse (345200555041), we get a palindrome (485755557584).

The spelling of 140555002543 in words is "one hundred forty billion, five hundred fifty-five million, two thousand, five hundred forty-three".